HAProxy : 統計情報を参照する (コマンド)2021/03/17

	HAProxy サーバーの統計情報がコマンドで参照できるように設定します。
[1]	必要なパッケージをインストールしておきます。

[root@dlp ~]#

dnf -y install socat

[2]	HAProxy の設定です。

[root@dlp ~]#

vi /etc/haproxy/haproxy.cfg

# 設定確認

# [global] セクション内に以下の設定があれば OK

global
.....
.....
        stats socket /var/lib/haproxy/stats

[root@dlp ~]#

systemctl restart haproxy

[3]	以上の設定の後、以下のようにして参照可能です。

# 現在の状態を表示

[root@dlp ~]#

echo "show info" | socat /var/lib/haproxy/stats stdio

Name: HAProxy
Version: 1.8.27-493ce0b
Release_date: 2020/11/06
Nbthread: 1
Nbproc: 1
Process_num: 1
Pid: 2051
Uptime: 0d 0h05m13s
Uptime_sec: 313

.....
.....

Run_queue: 1
Idle_pct: 100
node: dlp.srv.world
Stopping: 0
Jobs: 4
Listeners: 3

# 統計情報を CSV 形式で出力

[root@dlp ~]#

echo "show stat" | socat /var/lib/haproxy/stats stdio

# pxname,svname,qcur,qmax,scur,smax,slim,stot,bin,bout,dreq,dresp,ereq,econ,eresp,wretr,wredis,status,weight,act,bck,chkfail,chkdown,lastchg,downtime,qlimit,pid,iid,sid,throttle,lbtot,tracked,type,rate,rate_lim,rate_max,check_status,check_code,check_duration,hrsp_1xx,hrsp_2xx,hrsp_3xx,hrsp_4xx,hrsp_5xx,hrsp_other,hanafail,req_rate,req_rate_max,req_tot,cli_abrt,srv_abrt,comp_in,comp_out,comp_byp,comp_rsp,lastsess,last_chk,last_agt,qtime,ctime,rtime,ttime,agent_status,agent_code,agent_duration,check_desc,agent_desc,check_rise,check_fall,check_health,agent_rise,agent_fall,agent_health,addr,cookie,mode,algo,conn_rate,conn_rate_max,conn_tot,intercepted,dcon,dses,
http-in,FRONTEND,,,0,1,3000,3,1998,16689,0,0,0,,,,,OPEN,,,,,,,,,1,2,0,,,,0,0,0,1,,,,0,2,0,4,0,0,,0,2,6,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,0,1,3,0,0,0,
backend_servers,node01,0,0,0,1,,2,684,775,,0,,0,0,0,0,UP,1,1,0,0,0,356,0,,1,3,1,,2,,2,0,,1,L4OK,,0,0,1,0,1,0,0,,,,,0,0,,,,,307,,,0,1,1,1,,,,Layer4 check passed,,2,3,4,,,,10.0.0.51:80,,http,,,,,,,,
backend_servers,node02,0,0,0,1,,2,565,752,,0,,0,0,0,0,UP,1,1,0,0,0,356,0,,1,3,2,,2,,2,0,,1,L4OK,,0,0,0,0,2,0,0,,,,,0,0,,,,,294,,,0,1,0,1,,,,Layer4 check passed,,2,3,4,,,,10.0.0.52:80,,http,,,,,,,,
backend_servers,BACKEND,0,0,0,1,300,6,1998,16689,0,0,,0,0,0,0,UP,2,2,0,,0,356,0,,1,3,0,,4,,1,0,,2,,,,0,2,0,4,0,0,,,,6,0,0,0,0,0,0,294,,,0,1,0,1,,,,,,,,,,,,,,http,roundrobin,,,,,,,

# 現在のセッションを表示

[root@dlp ~]#

echo "show sess" | socat /var/lib/haproxy/stats stdio

0x55c9579133b0: proto=tcpv4 src=10.0.0.18:57422 fe=http-in be=<NONE> srv=<none> ts=04 age=6s calls=25 rq[f=400000h,i=0,an=34h,rx=53s,wx=,ax=3s] rp[f=80000000h,i=0,an=00h,rx=,wx=,ax=] s0=[7,8h,fd=13,ex=] s1=[0,10h,fd=-1,ex=] exp=3s
0x55c957914d60: proto=unix_stream src=unix:1 fe=GLOBAL be=<NONE> srv=<none> ts=0a age=0s calls=1 rq[f=40c0c220h,i=0,an=00h,rx=,wx=,ax=] rp[f=80008002h,i=0,an=00h,rx=,wx=,ax=] s0=[7,8h,fd=14,ex=] s1=[7,4018h,fd=-1,ex=] exp=